Paul Yoo Jiaxian Guo Yutaka Matsuo Shixiang Shane Gu DreamSparse: Escaping from Plato's Cave with 2D Diffusion Model Given Sparse Views. 2023 NeurIPS http://papers.nips.cc/paper_files/paper/2023/hash/0a003511b09274348b8117f5f3b94c93-Abstract-Conference.html conf/nips/2023 db/conf/nips/neurips2023.html#YooGMG23